Tulsa, Oklahoma – Drivers and residents across eastern Oklahoma should brace for sweltering heat through Friday, with heat index values soaring to 105°F in cities like Tulsa, Fort Smith, and Muskogee before thunderstorms bring cooler conditions late Saturday into Sunday.
According to the National Weather Service Tulsa, heat impacts will be most severe Friday, with maximum heat index values between 99°F and 105°F across eastern Oklahoma and west-central Arkansas. The humidity will keep conditions uncomfortable through the evening. Rain chances jump sharply starting late Saturday, reaching 65% in Tulsa and Fort Smith by Sunday morning, offering temporary relief as temperatures drop.
City-specific impacts will be felt on roads and in outdoor areas, especially in Tulsa, Fort Smith, and Fayetteville, where high temperatures and humidity can create hazardous conditions for outdoor workers, children, and pets. Muskogee, Bartlesville, and Rogers are also in the high heat zone through the weekend. Officials advise avoiding strenuous outdoor activity during peak afternoon hours, staying hydrated, and checking on neighbors. If possible, reschedule outdoor events and ensure pets have plenty of shade and water.
Showers and storms will bring cooling relief Sunday into Monday, with temperatures returning to near or slightly below seasonal normals. However, heat and humidity may rebound by midweek. Stay tuned for further advisories as the weather pattern evolves.
Five-Day Forecast:
- Friday: Highs 95–102°F, heat index up to 105°F, mostly dry.
- Saturday: Highs 93–99°F, rain chances increase late (40–65%).
- Sunday: Showers and storms likely, highs in the 80s to low 90s, rain chances 50–65%.
- Monday: Partly cloudy, highs 85–91°F, rain ends early, cooler.
- Tuesday: Warmer, highs near 90°F, low chance of showers (10–25%).
Warnings remain in effect for dangerous heat through Saturday. Additional advisories may be issued as rain chances develop over the weekend.
